11 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... in adults - Breast ... • Aneurysmal Bone ... Histiocytoma #Primary #Bone ... #Bony #Tumors #
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
aka. cancerous cells ... metastasis: • Breast ... - these cancer cells ... • Lung. thvroid ... BoneTumors #Malignant #Radiology
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... Broncho-alveolar cell ... #HRCT #CTChest ... #Comparison #Table
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
lung cancer, ovarian ... resorption in the bone ... resorption in the bone ... Cell, Breast Cancer ... Differential #Diagnosis #algorithm
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... Langerhans cell ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
6 mSv 2 years BONE ... ) — Lung Cancer ... S IMAGING - Bone ... ’S IMAGING - Bone ... Nuclear #Comparison #Table
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Infiltration: Often breast ... lung CA, lymphoma ... hemolysis) • ALP: Bone ... differential #diagnosis #algorithm
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
particular affinity for bone ... SPECTRUM Common areas ... pituitary gland • Bone ... Liver, Spleen, Bone ... liver, spleen, or bone
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
Squamous-Cell Carcinoma ... A chest radiograph ... that were in his breast ... NEJM #clinical #radiology ... #CT #squamous #
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
with areas of ground-glass ... attenuation and areas ... and bronchi as well ... mid and lower lung ... #CTChest #Chronic